:root{--bg:#faf9f7;--surface:#fff;--surface-soft:#fff3ee;--ink:#171717;--ink-soft:#35312f;--muted:#726b67;--line:#e8e2dd;--brand:#f7713d;--brand-deep:#d95322;--shadow:0 22px 60px #211b1814}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.site-shell{flex-direction:column;min-height:100vh;display:flex}.site-main{flex:1}.container{width:min(1240px,100% - 48px);margin-inline:auto}.site-header{z-index:50;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);background:#faf9f7f0;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:28px;height:78px;display:flex}.brand-lockup{align-items:center;gap:12px;min-width:max-content;display:flex}.brand-lockup img{object-fit:contain;border:1px solid var(--line);background:#fff;border-radius:12px;width:44px;height:44px;padding:4px}.brand-copy strong{letter-spacing:-.01em;font-size:15px;display:block}.brand-copy span{color:var(--muted);margin-top:2px;font-size:11px;display:block}.header-nav{align-items:center;gap:24px;font-size:14px;font-weight:700;display:flex}.header-nav a:hover{color:var(--brand)}.header-actions{align-items:center;gap:10px;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;padding:11px 16px;font-weight:800;transition:all .2s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:var(--brand)}.btn-brand{background:var(--brand);color:#fff}.btn-brand:hover{background:var(--brand-deep)}.btn-secondary{border-color:var(--line);color:var(--ink);background:#fff}.btn-ghost{color:var(--ink);background:0 0}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-size:11px;font-weight:900}.hero{padding:72px 0 48px}.hero-grid{grid-template-columns:1.25fr .75fr;align-items:end;gap:36px;display:grid}.hero h1{letter-spacing:-.055em;max-width:920px;margin:12px 0 22px;font-size:clamp(48px,7vw,88px);line-height:.94}.hero p{color:var(--muted);max-width:760px;margin:0;font-size:19px;line-height:1.7}.hero-note{border-left:3px solid var(--brand);color:var(--ink-soft);padding:8px 0 8px 20px;font-weight:750;line-height:1.5}.discovery{padding:24px 0 76px}.discovery-bar{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:18px;grid-template-columns:1.4fr .8fr .8fr;gap:12px;padding:14px;display:grid}.field-control{border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;gap:10px;min-height:52px;padding:0 14px;display:flex}.field-control input,.field-control select{width:100%;color:var(--ink);background:0 0;border:0;outline:0}.section-head{justify-content:space-between;align-items:end;gap:24px;margin:46px 0 20px;display:flex}.section-head h2{letter-spacing:-.035em;margin:0;font-size:34px}.section-head p{color:var(--muted);margin:5px 0 0}.skill-row{flex-wrap:wrap;gap:10px;display:flex}.skill-pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font-size:13px;font-weight:800}.skill-pill.active{background:var(--ink);color:#fff;border-color:var(--ink)}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.course-card{border:1px solid var(--line);background:#fff;border-radius:22px;min-width:0;transition:all .25s;overflow:hidden}.course-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.course-art{align-items:flex-end;height:220px;padding:24px;display:flex;position:relative;overflow:hidden}.course-art:before,.course-art:after{content:"";opacity:.9;border-radius:999px;position:absolute}.course-art:before{background:#ffffff24;width:170px;height:170px;top:-44px;right:-30px}.course-art:after{border:18px solid #ffffff26;width:90px;height:90px;top:55px;right:74px}.course-art.seo{color:#fff;background:linear-gradient(135deg,#171717 0%,#30241f 58%,#f7713d 160%)}.course-art.security{color:#fff;background:linear-gradient(135deg,#231f20,#5a2525)}.course-art.ai{color:#fff;background:linear-gradient(135deg,#372f4f,#8e6ca8)}.course-art.code{color:#fff;background:linear-gradient(135deg,#172b2a,#3e706b)}.course-art-label{z-index:2;position:relative}.course-art-label small{letter-spacing:.14em;opacity:.8;font-size:11px;font-weight:900}.course-art-label strong{letter-spacing:-.035em;max-width:300px;margin-top:8px;font-size:30px;line-height:1;display:block}.course-body{padding:22px}.course-body h3{letter-spacing:-.025em;margin:0 0 8px;font-size:21px}.course-body p{color:var(--muted);margin:0 0 18px;line-height:1.6}.meta-row{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.meta-chip{background:var(--surface-soft);color:#8d421f;border-radius:8px;padding:6px 8px;font-size:11px;font-weight:850}.course-link{align-items:center;gap:8px;font-weight:900;display:inline-flex}.course-link:hover{color:var(--brand)}.page-section{padding:54px 0 80px}.surface{border:1px solid var(--line);background:#fff;border-radius:24px;padding:30px;box-shadow:0 12px 34px #211b180a}.auth-wrap{width:min(520px,100% - 32px);margin:56px auto 90px}.auth-card{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:24px;padding:32px}.auth-card h1{letter-spacing:-.035em;margin:8px 0;font-size:34px}.auth-card .lead{color:var(--muted);line-height:1.6}.form-group{margin-top:16px}.form-group label{margin-bottom:7px;font-size:13px;font-weight:850;display:block}.form-group input{border:1px solid var(--line);border-radius:12px;outline:0;width:100%;padding:13px 14px}.form-group input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #f7713d1f}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.check-row{color:var(--muted);align-items:flex-start;gap:9px;margin:18px 0;font-size:12px;line-height:1.5;display:flex}.check-row input{margin-top:2px}.auth-message{background:var(--surface-soft);color:#7a371b;border-radius:10px;margin:16px 0;padding:11px 12px;font-size:13px}.course-detail-hero{padding:70px 0 36px}.course-detail-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:40px;display:grid}.course-detail-hero h1{letter-spacing:-.05em;margin:12px 0 18px;font-size:clamp(46px,6vw,78px);line-height:.98}.course-detail-hero p{color:var(--muted);font-size:18px;line-height:1.7}.course-panel{color:#fff;background:#171717;border-radius:28px;flex-direction:column;justify-content:space-between;min-height:360px;padding:32px;display:flex;position:relative;overflow:hidden}.course-panel:after{content:"";background:#f7713d3d;border-radius:50%;width:260px;height:260px;position:absolute;top:-100px;right:-90px}.course-panel strong{z-index:2;font-size:34px;line-height:1.05;position:relative}.course-panel .panel-meta{z-index:2;grid-template-columns:repeat(3,1fr);gap:10px;display:grid;position:relative}.panel-stat{background:#ffffff0d;border:1px solid #ffffff24;border-radius:14px;padding:14px}.panel-stat b{font-size:20px;display:block}.panel-stat span{opacity:.72;font-size:11px}.detail-grid{grid-template-columns:1fr 340px;align-items:start;gap:28px;display:grid}.curriculum-list{gap:10px;display:grid}.phase-row{border:1px solid var(--line);background:#fff;border-radius:14px;justify-content:space-between;gap:20px;padding:16px 18px;display:flex}.phase-row small{color:var(--muted)}.sticky-card{position:sticky;top:100px}.price{letter-spacing:-.035em;margin:8px 0 18px;font-size:34px;font-weight:950}.dashboard-head{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.dashboard-head h1{letter-spacing:-.045em;margin:0;font-size:44px}.dashboard-head p{color:var(--muted)}.learning-grid{grid-template-columns:1.2fr .8fr;gap:20px;display:grid}.learning-card{border:1px solid var(--line);background:#fff;border-radius:22px;padding:24px}.learning-card h2{margin-top:0}.progress{background:#eee9e5;border-radius:99px;height:9px;margin:12px 0;overflow:hidden}.progress span{background:var(--brand);height:100%;display:block}.course-player-shell{width:min(1540px,100% - 28px);margin:18px auto 40px}.player-top{justify-content:space-between;align-items:center;gap:18px;padding:12px 4px 16px;display:flex}.player-frame{border:1px solid var(--line);height:calc(100vh - 130px);min-height:720px;box-shadow:var(--shadow);background:#fff;border-radius:18px;overflow:hidden}.player-frame iframe{border:0;width:100%;height:100%}.site-footer{border-top:1px solid var(--line);background:#fff;padding:36px 0 44px}.footer-grid{justify-content:space-between;align-items:flex-start;gap:28px;display:flex}.footer-grid p{color:var(--muted);font-size:13px;line-height:1.6}.footer-links{gap:18px;font-size:13px;font-weight:750;display:flex}@media (max-width:980px){.header-nav{display:none}.hero-grid,.course-detail-grid,.detail-grid,.learning-grid{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sticky-card{position:static}.discovery-bar{grid-template-columns:1fr}.hero{padding-top:48px}}@media (max-width:680px){.container{width:min(100% - 28px,1240px)}.header-inner{height:70px}.brand-copy span,.header-actions .btn-ghost{display:none}.hero h1{font-size:48px}.course-grid,.form-row{grid-template-columns:1fr}.footer-grid{flex-direction:column}.course-art{height:190px}.player-frame{height:78vh;min-height:560px}}main:not(.auth-wrap):not(.course-player-shell):not(.page-section){max-width:1120px;margin:auto;padding:40px 24px}.card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:24px}.grid{gap:18px;display:grid}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.primary{background:var(--ink);color:#fff}.primary:hover{background:var(--brand)}.secondary{border-color:var(--line);color:var(--ink);background:#fff}.muted{color:var(--muted)}@media (max-width:760px){.grid.two{grid-template-columns:1fr}}